Couple takes a tumble during Three Dune Challenge at state park

Couple takes a tumble during Three Dune Challenge at state park

The man and woman were in the midst of the Three Dune Challenge at Indiana Dunes State Park when they decided to rest by sitting on a low-hanging tree branch on the brilliantly sunny Wednesday morning. Suddenly, the tree branch snapped and the couple was sent tumbling backwards down the side of a dune near Mount Holden on Trail 8, the second leg of the 1.5-mile challenge. That led to a response from state conservation officers, National Park ran…